... free,shadowless,high luminance and large-scale illumination in the range of 360,Safe for driver' ... eyes and easy to recognize the construction site in the distance and guarantee safety construction.2. ... outdoor events such as concerts,sports events,ect.5.Applicabel for the safety construction of highways, ... floor supporting frame)352551,385-3,630mm2,220-4,950mm2,220-5,770mm2,750mm2,180-5,600mm3,000-6 ...